Control Systems The transfer function of phase lead compensator is given by , where, T > 0, α < 0. What is the maximum phase shift provided by this compensator? cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) cos-1((1 - α)/(1 + α) both 1 and 3 tan-1((1 - α)/(2√α) sin-1((1 - α)/(1 + α) ANSWER DOWNLOAD EXAMIANS APP
Control Systems In signal flow graph output node is node having only------------ both 1 and 2 None of these outgoing branches incoming branches both 1 and 2 None of these outgoing branches incoming branches ANSWER DOWNLOAD EXAMIANS APP
Control Systems The value of gain margin of the system having G ( s )H ( s ) = 8 / ( s + 2 )3 is 6. 4. 2. 8. 6. 4. 2. 8. ANSWER DOWNLOAD EXAMIANS APP
Control Systems The compensator would provide a maximum phase shift of 45o. 60o. 30o. 20o. 45o. 60o. 30o. 20o. ANSWER DOWNLOAD EXAMIANS APP
Control Systems A unity feedback control system has an open loop transfer function G(s) = k/(s(s² + 7s + 12) The gain k for which s = -1 + j1 will lie on the root locus of the system is 4 10 6.5 5 4 10 6.5 5 ANSWER DOWNLOAD EXAMIANS APP
Control Systems For a lead compensator, the poles lie: on LHS before zero. on LHS. on origin. on RHS. on LHS before zero. on LHS. on origin. on RHS. ANSWER DOWNLOAD EXAMIANS APP